Fixing Invalid IMEI problem

NOTES: 

Invalid  Is Common Problem On  MTK 65xx  Devices
Here we discussing about PC Apps Which will fix Invalid IMEI by recovering IMEI Number
First Enable Settings → Security → Unknown Sources & Settings → Development → USB Debugging
Purpose Of This PC Apps Is Only Recovery Of IMEI Number - Please Dont Use It For Any Illegal Activities

1. MAUI META 3G

Software Name：MAUI META 3G Size：55 MBSource Link:No Link - Developed By MEDIATEK INC

All MTK Devices Baseband Run On NVRAM - Path In Androids Phones "/dev/nvram"
You Can Use 2 Ways To Reflash NVRAM.
- One By Flashing BPLG Baseband (Modem) "MAUI_1XAMD_W1X_XX_SP_V1X" (Where X Is Some Number Depending On Device Specs)(Basic Functions Like Imei ,Etc Works With Most Alternative BPLG Files)
- Once NVRAM Is Corrupted You Must Use Flash Tool Solution With Correcting Scatter From ''__NODL_NVRAM'' To ''NVRAM'' And Select Correct Working Phone NVRAM File For Same Baseband.

MAUI META 3G Procedure:
Connect Phone To Pc
Asking Drivers Give Him
Turn Off Phone
Open Maui Meta Tool
In Options Trick Second One ( Connect Smart Phone Into A Meta Mode)
Press Reconnect
Than Inset Cable
Asking Cdc Drivers Install ,Browse For Them In CDC Driver Archive
After 1 Min Popup Imei Tool Tab
Than Press  ( Change Nvram Database File)  And Chose It From NVM Archive
Write IMEI  (One Or Both Depending On Device)
Press Download To Flash

IMEI Repair :

IMEI Change:

https://www.youtube.com/watch?v=-CokpIVGPBw

Downloads links
DOWNLOAD MAUI META 3G SOFTWARE
DOWNLOAD CDC DRIVERS
DOWNLOAD ALL MTK (BPLGU) MODEM (BASEBAND(NVRAM)) FILES

2. IMEI & SN WRITER 

Software Name：IMEI & SN WRITER
Size：33 MB
Source Link:No Link - Developed By CKT Technology

All MTK Devices Baseband Run On NVRAM - Path In Androids Phones "/dev/nvram"

You Can Use 2 Ways To Reflash NVRAM.

- One By Flashing BPLG Baseband (Modem) "MAUI_1XAMD_W1X_XX_SP_V1X" (Where X Is Some Number Depending On Device Specs)(Basic Functions Like Imei ,Etc Works With Most Alternative BPLG Files)

- Once NVRAM Is Corrupted You Must Use Flash Tool Solution With Correcting Scatter From ''__NODL_NVRAM'' To ''NVRAM'' And Select Correct Working Phone NVRAM File For Same Baseband.

IMEI & SN WRITER Instructions:

- Check Video Instructions Bellow -

Software screenshot

Instructions:

Download links

DOWNLOAD IMEI & SN WRITER SOFTWARE

DOWNLOAD ALL MTK (BPLGU) MODEM (BASEBAND(NVRAM)) FILES

3. SN WRITE STATION

Software Name：SN WRITE STATION
Size：37 MB
Source Link:No Link - Developed By MEDIATEK INC

All MTK Devices Baseband Run On NVRAM - Path In Androids Phones "/dev/nvram"

You Can Use 2 Ways To Reflash NVRAM.

- One By Flashing BPLG Baseband (Modem) "MAUI_1XAMD_W1X_XX_SP_V1X" (Where X Is Some Number Depending On Device Specs)(Basic Functions Like Imei ,Etc Works With Most Alternative BPLG Files)

- Once NVRAM Is Corrupted You Must Use Flash Tool Solution With Correcting Scatter From ''__NODL_NVRAM'' To ''NVRAM'' And Select Correct Working Phone NVRAM File For Same Baseband.

SN WRITE STATION Instructions:

1.Open SN Station IMEI Tool

   Switch AT Mode and adjust PowerON Delay Time(s):5

2.After adjust the Delay Time(s) and change switch to Meta Mode

   Select Write IMEI and Smart Phone

   Put the cable to the Mobile and select the COM PORT(Look In Windows Device Manager For
   Device Modem COM Port)

   Select the Dual IMEI

3.Then Select the Modem Database and select the BPLGU file

   Select which database file need ( ex :- Mtk6575 6516 etc ...)

4.Select the Modem Database and select the APDB file

5.Then Click on START and enter IMEI (IMEI - s) Numbers You Want To Write

6.IMEI Is Repaired - Reboot Mobile Device

Download links

DOWNLOAD SN WRITE STATION SOFTWARE

DOWNLOAD ALL MTK (BPLGU) MODEM (BASEBAND(NVRAM)) FILES AND APDB FILES

AND FOR THE END HERE YOU HAVE AN ANDROID APP MADED BY UNNAMED MTK EMPLOYER FOR REPAIRING IMEI DIRECTLY FROM ROOTED DEVICE.
 MTK65xx-imei_EN.apk (65.37 KB, Downloads: 6401) 


Source: en.miui.com